To confirm this instruction, he promises to do for his disciples what they should ask of the Father in his name; and informs them that he should leave them, as to his visible presence, and go the Father, and that he would manifest himself to them by the official personal agency of the Holy Spirit, whom the Father would send in his name, to dwell with them, be in them, show them the things which respected himself, teach them all things, and bring all things to their remembrance. John xiv. Continuing to instruct them on this subject, in the two next chapters, he says, "When He, the Spirit of truth, is come, he will guide you into all truth. He shall glorify me, for he shall receive of mine, and shall show it unto you. At that day ye shall ask in my name: and I say not that I will pray the Father for you; for the Father himself loveth you, because ye have loved me, and have believed that I came out from God. I came forth from the Father, and am come into the world: again, I leave the world and go to the Father. A little while, and ye shall not see me; and again a little while, and ye shall see me." Such was his mode of teaching the distinction of Persons in the Godhead--the doctrine of the Trinity. The apostles were slow to learn these truths concerning the divine Persons respectively, and their offices and relations. They expected in the Messiah a temporal deliverer, who should assume the government of their nation, and continue personally and visibly among them. In certain respects they appear not to have understood his character till after his ascension, nor till after the Spirit had enlightened and convinced them that the Christ who had been crucified was indeed the Lord of glory, Jehovah, the Elohe of Abraham, in whom Abraham and David believed unto justification. Being at length fully satisfied of this, they testified it to the Jews on the day of Pentecost, and subsequently, with overwhelming effect; for the people being also convinced and cut to the heart, cried, Men and brethren, what shall we do? In their testimony to this end they declared to the Jews that Jesus whom they had crucified was both the Lord (Jehovah) and the Christ; and quoted David as saying concerning him, "I foresaw Jehovah always before me."